/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apereo.portal.user;

/**
 * Copyright 2007 The JA-SIG Collaborative. All rights reserved. See license distributed with this
 * file and available online at http://www.uportal.org/license.html
 */
import javax.servlet.http.HttpServletRequest;
import org.apereo.portal.PortalException;

/** Determines which {@link IUserInstance} object to use for a given request. */
public interface IUserInstanceManager {
    /**
     * Returns the {@link IUserInstance} object that is associated with the given request.
     *
     * @param request Incoming HttpServletRequest
     * @return IUserInstance object associated with the given request
     */
    public IUserInstance getUserInstance(HttpServletRequest request) throws PortalException;
}
